LL204

DESCRIPTION 

The UTC LL204 is a dual output stages flasher designed as a 

relay driver for flashing light control in automotive applications. Both 

sides direction indicator input with only a small control current makes 

switch contacts for small loads possible. Each side of the vehicle is 

controlled separately. 

The construction of the hazard switch could be simplified due to 

hazard warning input is separate. The flasher will dramatically 

increase the flash frequency by a typical ratio of 2:1 if lamp fault is 

detected. The UTC LL204 can be directly connected to the battery

due to extreme low current consumption. 

FEATURES

* Temperature and supply voltage compensated flashing frequency 

* Frequency doubling indicates lamp fault. 

* Two relay driver outputs with high current-carrying capacity and low 

saturation voltage

* Minimum lamp load for flasher operation: ≥ 1W 

* Very low sensitivity to EMI 

* Extremely low current consumption<10μA ( at switches open) 

* Reverse polarity protection 

* Three control inputs: left, right and hazard warning

规格书LL204